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Search results for: electromagnetic
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Year: 2010, Volume: 10, Issue: 4
... method for positioning an antenna system, based on these filters, where embedded control systems in rockets, air navigation, and the filter is applied in detection of electromagnetic field extremal control of rapid technological processes. gradient. Control algorithm is based on improved method of This paper is organized as follows. In Section 2 we ...
Year: 2018, Volume: 18, Number: 3
... By replacing Eqs. (6) in Eqs. (1 ), the following voltages fr- friction coefficient; equations can be expressed by: Te- electromagnetic torque; d ids1, 2 Tr- load torque; Vds1, 2 € Rs1, 2 ids1, 2 € Ls1, 2 € Ω- mechanical ...
Year: 2012, Volume: 12, Number: 2
... €“ axis equivalent circuit based on the steady-state power characteristics of the turbine, with base wind speed (= 9 m/s ); maximum power at The electromagnetic torque can be derived from: base wind speed (1 p.u of nominal mechanical power); base rotational speed (0.9 p.u of base generator speed) ...
Year: 2014, Volume: 14, Number: 3
... speed of space vector u (t) is given by: between limits that are to be taken into consideration. The d same applies to oscillations of resulting electromagnetic u (t) € € cos 2 (tg)/ (4) torque and, respectively, to the rotor speed, etc. dt ...
Year: 2012, Volume: 12, Number: 4
... [22]. The vector control needs to know Ψm- rotor flux linkage; the rotor position and usually uses an encoder for this Te, Tl €“ electromagnetic and load torque, respectively; purpose. There are also sensorless control algorithms that ‘s- stator angle relative to the d-q reference system; estimate the rotor ...
Year: 2020, Volume: 20, Number: 3
... reference frame (Fig. 1) is given by the voltage equations p- number of pole pairs; [5, 8]: Ce, Cr- electromagnetic and load torque, respectively; d ™s J- inertia moment of the DFIM; Vs € Rs I s € € j s ™ s (1a ...
Year: 2007, Volume: 7, Issue: 1
... Electrical Dept. Abstract €” In the vicinity of the electric power network and international bodies have proposed or set limits referring to near to the power electrical equipments the electromagnetic the field values for the EMC phenomena and for the environment includes electric and magnetic fields, mainly at biological exposure. In some cases, in the vicinity ...
Year: 2021, Volume: 21, Number: 4
... of the winding function. Such eliminate all the non-working harmonics, so that the ripples harmonics are grouped into a family of harmonic. Also, any in the electromagnetic torque are reduced. This is achieved change in the parameters (Nk) in (2) will equally affect all by formulating the optimization objective function to ...
Year: 2015, Volume: 15, Number: 3
... output signal. coil. The operation principle of the vibrating wire transducer is based on the dependency of the wire's natural vibration Index Terms €” coils, damping, electromagnetic fields, frequency and the wire's tension [2 ], [18]. frequency, transducer. For the two coil transducer, an equivalent circuit is ...
Year: 2010, Volume: 10, Issue: 1
... ) machines, the only problem is finding the command method that gives us a six phase system with a less oscillatory cos(‰ot+ 4€ /3) electromagnetic torque. The problem consists in finding a matrix M known as the modulation matrix, so that II. THEORY OF THE MATRIX CONVERTER[ Vo]= ...
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